HBO's past and present
 
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The White House Correspondents' Association Dinner
(Joshua Roberts / Getty Images)
During former HBO topper Chris Albrecht's time running the Improv in New York in the '70s and '80s, he forged lasting business relationships with many comics, including Larry David, who would go on to star in HBO's "Curb Your Enthusiasm." The network also became known for its stand-up comedy specials.